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Patent
   D439963
Priority
Dec 03 1999
Filed
Dec 03 1999
Issued
Apr 03 2001
Expiry
Apr 03 2015
Inventors
Gieseke, S…
Assg.orig
Donaldson …
Assg.curr
Donaldson …
Entity
unknown
Referenced by
66
References
11
Maint.:
n/a
The ornamental design for a panel filter, as shown and described.

FIG. 1 is a perspective view of a panel filter embodying our new design;

FIG. 2 is a front side elevational view thereof, the rear side elevational view being a mirror image thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.
INVENTORS:

Gieseke, Steven Scott, Dushek, Robert Allen, Murray, Peter

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10252206, Apr 30 2004 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
10335730, Mar 24 2004 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
10343101, Apr 30 2004 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
10500533, Apr 04 2002 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
10556202, May 09 2002 Donaldson Company, Inc. Air filter having fluted filter media
11014036, Mar 24 2004 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
11123673, Apr 30 2004 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
11161072, Apr 04 2002 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
11185810, May 09 2002 Donaldson Company, Inc. Air filter having fluted filter media
11679352, Apr 30 2004 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
6540801, Jun 27 1997 Agilent Technologies Inc Aerosol separator; and method
6758873, Jun 27 1997 Donaldson Company, Inc. Aerosol separator and method
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7182804, Dec 29 1999 Donaldson Company, Inc. Aerosol separator; and method
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7976601, Jun 06 2001 Donaldson Company, Inc. Filter element having sealing members and methods
7981183, Nov 12 2003 Donaldson Company, Inc. Filter arrangements; side-entry housings; and methods
7993422, Apr 04 2002 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
8002869, May 09 2002 Donaldson Company, Inc. Air filter having fluted filter media
8007572, Nov 05 1999 Donaldson Company, Inc. Filter element, air cleaner, and methods
8083825, Feb 28 2005 Donaldson Company, Inc Filter arrangement and method
8101003, Mar 24 2004 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
8206479, May 09 2002 Donaldson Company, Inc. Air filter having fluted filter media
8246707, Jun 06 2001 Donaldson Company, Inc. Filter element having sealing members and methods
8317890, Aug 29 2008 Donaldson Company, Inc Filter assembly; components therefor; and, methods
8361182, Oct 02 2009 Donaldson Company, Inc Filter cartridge with centerboard, dust collectors, and methods
8382876, Jun 16 2005 Donaldson Company, Inc. Air cleaner arrangement; serviceable filter cartridge; and, methods
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8562707, May 09 2002 Donaldson Company, Inc. Air filter having fluted filter media
8608818, Jun 06 2001 Donaldson Company, Inc. Filter element having sealing members and methods
8652228, Apr 04 2002 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
8714142, Aug 02 2007 Donaldson Company, Inc Crankcase ventilation filter assembly; components; and methods
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8778043, Mar 24 2004 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
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9283507, Apr 30 2004 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
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9353658, Aug 02 2007 Donaldson Company, Inc. Crankcase ventilation filter assembly; components; and methods
9415336, Oct 02 2009 Donaldson Company, Inc. Filter cartridge with centerboard, dust collectors, and methods
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9610530, Mar 24 2004 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
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9993763, Apr 04 2002 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and, methods
D601238, Mar 20 2007 DONALDSON COMPANY INC Filter cartridge
D646369, Jul 22 2008 Donaldson Company, Inc Filter cartridge
D754315, Nov 04 2013 iRobot Corporation Filter
D761407, Oct 23 2013 Lincoln Global, Inc High efficiency particulate air filter seal
D796022, Aug 11 2016 Magnetic vent filter
D809115, Nov 04 2013 iRobot Corporation Filter
D826389, Nov 04 2013 iRobot Corporation Filter
D827118, Apr 07 2017 CHAMPION LABORATORIES, INC Filter
D858731, May 10 2017 LG Electronics Inc Filter for air purifier
D858732, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D859623, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D859624, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D938005, Jul 19 2019 WOONGJIN COWAY CO., LTD. Filter for air purification
THIS PATENT REFERENCES THESE PATENTS:
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ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 03 1999Donaldson Company, Inc.(assignment on the face of the patent)
Feb 15 2000GIESEKE, STEVEN SCOTTDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106560750 pdf
Feb 15 2000MURRAY, PETERDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106560750 pdf
Feb 16 2000DUSHEK, ROBERT ALLENDonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0106560750 pdf
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